Home / 51,438.06-77,156.54-39,034.26

Finding the Fourth Proportional to 51,438.06, 77,156.54 and 39,034.26

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Solution

The fourth proportional to 51,438.06, 77,156.54 and 39,034.26 is: 58,550.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,438.06 : 77,156.54 = 39,034.26 : x
  2. Step 2: Convert to fraction form
    51,438.06/77,156.54 = 39,034.26/x
  3. Step 3: Cross multiply
    51,438.06x = 77,156.54 × 39,034.26
  4. Step 4: Simplify right side
    51,438.06x = 3,011,748,443.06
  5. Step 5: Solve for x
    x = 3,011,748,443.06/51,438.06
  6. Step 6: Final answer
    x = 58,550.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.